Finding the Fourth Proportional to 864,083.80, 1,296,125.70 and 811,595.80
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Solution
The fourth proportional to 864,083.80, 1,296,125.70 and 811,595.80 is: 1,217,393.70
Step by Step Solution
- Step 1: Write the proportion equation
864,083.80 : 1,296,125.70 = 811,595.80 : x - Step 2: Convert to fraction form
864,083.80/1,296,125.70 = 811,595.80/x - Step 3: Cross multiply
864,083.80x = 1,296,125.70 × 811,595.80 - Step 4: Simplify right side
864,083.80x = 1,051,930,174,392.06 - Step 5: Solve for x
x = 1,051,930,174,392.06/864,083.80 - Step 6: Final answer
x = 1,217,393.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.